These Piston Vacuum Pumps are fully equipped, durable, and oil-free. They are developed for standard-duty applications where corrosion resistance is not essential, such as filtration, gas sampling, vacuum drying, and automation technology. They use a dedicated piston mechanism to generate vacuum.

Applications

These pumps are suitable for a wide range of applications involving physical and aqueous vapor applications. They are ideal for many standard-duty applications in both laboratory and industrial settings, including:

• Laboratories: used for sample preparation, controlled environments, and filtration in scientific workflows such as DNA/RNA extraction

• Analytical instruments: support accurate measurements in instruments like gas chromatographs and spectrometers

• Industrial manufacturing: applied in vacuum drying, casting, and packaging processes to improve product quality

• Pharmaceuticals: essential for processes such as freeze-drying and solvent removal, helping maintain product purity and stability

• Food processing: contribute to high-quality packaging and processing, preserving flavor and extending shelf life

• Automotive testing: used for brake system testing, emissions control, and leak detection

• Research facilities: support a wide range of experiments, including mass spectrometry and electron microscopy

• HVAC systems: used to evacuate and maintain vacuum in refrigeration and air conditioning systems

• Environmental monitoring: enable accurate air and gas sampling for pollution monitoring and assessment

• Material handling: remove air and gases during molding and curing processes

 

Features of the Piston Vacuum Pumps

• Enhanced performance: exceptional vacuum and flow in a compact design, ensuring reliable performance across a variety of applications

• Dependable operation: made with high-quality materials and innovative design features, these pumps minimize maintenance and provide long-lasting, reliable operation

• Controlled vacuum: equipped with regulators and gauges, these pumps allow easy adjustment and monitoring of vacuum levels for precise, application-specific control

• Protection mechanism: an inlet water trap prevents accidental water intake, maintaining pump performance even under challenging conditions

• Motor safety: all models feature single-phase motors with built-in thermal overload protection, adding an extra layer of safety to your vacuum operations

 

Benefits of oil-free operation

Oil-free piston pumps offer several advantages for your operations:

• Environmentally friendly: by eliminating the need for lubricating oil, these pumps reduce the risk of oil contamination, creating a cleaner workplace

• Cost savings: no oil means lower expenses for purchase, handling, and disposal, reducing overall operating costs

• Easy maintenance: these pumps require less maintenance than oil-based alternatives, resulting in less downtime and higher productivity

• Improved product purity: oil-free operation prevents oil contamination, making these pumps ideal for applications that demand the highest level of purity

• Lower operating temperatures: running without oil keeps pumps cooler, extending component life and increasing overall reliability

 

Available Piston Vacuum Pumps

Single-head pumps:

• Wob L 2522: Flow rate (m³/min): 1.29 | Ult. vacuum (mbar): 133.3
• Wob L 2534: Flow rate (m³/min): 2.04 | Ult. vacuum (mbar): 93.3
• Wob L 2546: Flow rate (m³/min): 2.72 | Ult. vacuum (mbar): 80

Dual-head pumps:

• Wob L 2561: Flow rate (m³/min): 3.91 | Ult. vacuum (mbar): 6.7
• Wob L 2567: Flow rate (m³/min): 5.95 | Ult. vacuum (mbar): 80.0
• Wob L 2581: Flow rate (m³/min): 5.95 | Ult. vacuum (mbar): 6.7
• Wob L 2585: Flow rate (m³/min): 12.06 | Ult. vacuum (mbar): 80.0